Abstract: Provided is a processing device capable of accurately identifying an abnormal part.

Abstract: An abnormal part display apparatus, an abnormal part display system, an abnormal part displaying method, and an abnormal part displaying program capable of improving visibility of an abnormal part in an object are provided. An abnormal part display apparatus 11 according to the present disclosure includes an acquisition unit 111 configured to acquire point group data of an object obtained by measuring the object by using a laser ranging apparatus 12, and a photograph image of the object obtained by photographing the object by using a photographing apparatus 13, a display unit 112 configured to display the point group data and the photograph image on a predetermined screen, and a control unit 113 configured to control the point group data and the photograph image to be displayed in the display unit 112.

Abstract: A detection device (10) according to the present disclosure includes an acquisition unit (11) that acquires point cloud data indicating a distance from a measurement device to an object and luminance information obtained from reflected light of a beam emitted when the point cloud data is measured, an edge detection unit (12) that performs edge detection based on the luminance information, and a crack determination unit (13) that determines whether an area indicates a crack by using a shape of the area in which, of a plurality of points indicated by the point cloud data, points having luminance within a predetermined range of difference from luminance of a point detected as an edge are distributed.

Abstract: A monitoring system according to the present disclosure includes: a straight line calculation unit configured to calculate a straight line connecting three-dimensional coordinates of a light source and three-dimensional coordinates of a three-dimensional measuring device configured to measure a target to be measured; an invalid region determination unit configured to define a three-dimension invalid region in which point cloud data acquired by the three-dimensional measuring device is invalid based on the straight line; and a point cloud data processing unit configured to monitor the target to be measured based on the acquired point cloud data and the three-dimension invalid region.

Abstract: A display device (10) according to the present disclosure includes: a detection unit (11) that detects, in a three-dimensional space including measurement point group data measured by a three-dimensional optical sensor, intermediate point group data of an intermediate region from a viewpoint for two-dimensionally displaying the measurement point group data to target point group data within the measurement point group data; a setting unit (12) that sets, based on the detected intermediate point group data, a display aspect of the measurement point group data or the target point group data in such a way that the target point group data become visually recognizable from the viewpoint; and a display unit (13) that two-dimensionally displays the measurement point group data and the target point group data according to the set display aspect.

Abstract: There are provided a data processing apparatus, a data processing system, and a data processing method that can improve convenience of display of point group data. A data processing apparatus (1) includes a point group data processing unit (10) configured to display, when a viewpoint for display of point group data obtained by scanning a display object is input, the point group data viewed from the viewpoint, and an image data processing unit (20) configured to determine image data corresponding to the point group data to be displayed, from a plurality of pieces of image data obtained by imaging the display object from different positions, and to display the determined image data.

Abstract: An object is to provide a measurement apparatus adapted to correctly integrate three-dimensional data acquired at a plurality of points.

Abstract: A processing apparatus (10) includes classification means (12) for classifying three-dimensional point group data acquired based on a reflected light from a structure to be inspected illuminated by light into clusters, which are units of a shape that corresponds to the structure to be inspected, based on positional information at each point of the data; and cluster association means (13) for determining whether a first cluster and a second cluster included in the classified clusters correspond to one structure to be inspected based on a positional relation between the classified clusters.

Abstract: A processing device (10) includes a classification means (12) for classifying three-dimensional point cloud data acquired based on reflected light from a plurality of reinforcing steel bars irradiated with light in a bar arrangement inspection into clusters, which are shape units corresponding to the plurality of reinforcing steel bars, based on position information at each point in the three-dimensional point cloud data, a smoothing means (13) for smoothing the contours of the classified clusters, and a cluster association means (14) for determining whether a first cluster and a second cluster contained in the smoothed clusters correspond to the same reinforcing steel bar based on positional relation between the smoothed clusters.

Abstract: Provided is a processing apparatus capable of obtaining a 2D image from 3D tomographic images, extracting an image for accurate authentication, and extracting an image at a high speed. A processing apparatus includes: means for calculating, from three-dimensional luminance data indicating an authentication target, depth dependence of striped pattern sharpness in a plurality of regions on a plane perpendicular to a depth direction of the target; means for calculating a depth at which the striped pattern sharpness is the greatest in the depth dependence of striped pattern sharpness; rough adjustment means for correcting the calculated depth on the basis of depths of other regions positioned respectively around the plurality of regions; fine adjustment means for selecting a depth closest to the corrected depth and at which the striped pattern sharpness is at an extreme; and means for extracting an image with a luminance on the basis of the selected depth.

Abstract: The present disclosure is directed to providing a surface anomaly detecting device, a system, a method, and a non-transitory computer-readable medium that can identify an anomalous portion on a surface of a complex structure. A surface anomaly detecting device according to the present disclosure includes: dividing means configured to divide a structure into a plurality of clusters based on position information of a plurality of points on a surface of the structure; coupling means configured to create a cluster group by coupling together two or more of the clusters; determining means configured to determine a reflection luminance normal value of the cluster group based on a distribution of reflection luminance values at a plurality of points on a surface of the cluster group; and identifying means configured to identify an anomalous portion on the surface of the cluster group.

Abstract: A technique for accurately extracting a fingerprint image for accurate authentication from 3D tomographic luminance data of a finger at a high speed. A processing apparatus (11) according to the present disclosure includes means for, after performing edge detection processing on a tomographic image (101, 102, . . . 10 k, . . . , 10n) at each depth, calculating the total number of edge pixels in the tomographic image from 3D (three-dimensional) tomographic luminance data, and acquiring depth dependence of the number of edges (111, 112), and means for extracting a tomographic image having a striped pattern from the depth dependence of the number of edges and the 3D tomographic luminance data.

Abstract: There is provided a surface abnormality detection device, and a system, capable of detecting an abnormal portion having a displacement below the distance measurement accuracy when detecting the abnormal portion on the surface of a structure. A surface abnormality detection device includes a classification means for classifying an object under measurement into one or more clusters having the same structure, based on position information at a plurality of points on a surface of the object under measurement; a determination means for determining a reflection brightness normal value of the cluster based on a distribution of reflection brightness values at a plurality of points on a surface of the cluster; and an identification means for identifying an abnormal portion on the surface of the cluster based on a difference between the reflection brightness normal value and the reflection brightness value at each of the plurality of points.

Abstract: There is provided a surface abnormality detection device, and a system, capable of detecting an abnormal portion having a displacement below the distance measurement accuracy when detecting the abnormal portion on the surface of a structure. A surface abnormality detection device includes a classification means for classifying an object under measurement into one or more clusters having the same structure, based on position information at a plurality of points on a surface of the object under measurement; a determination means for determining a reflection brightness normal value of the cluster based on a distribution of reflection brightness values at a plurality of points on a surface of the cluster; and an identification means for identifying an abnormal portion on the surface of the cluster based on a difference between the reflection brightness normal value and the reflection brightness value at each of the plurality of points.

Abstract: A technique for accurately extracting a fingerprint image for accurate authentication from 3D tomographic luminance data of a finger at a high speed. A processing apparatus (11) according to the present disclosure includes means for, after performing edge detection processing on a tomographic image (101, 102, . . . 10 k, . . . , 10n) at each depth, calculating the total number of edge pixels in the tomographic image from 3D (three-dimensional) tomographic luminance data, and acquiring depth dependence of the number of edges (111, 112), and means for extracting a tomographic image having a striped pattern from the depth dependence of the number of edges and the 3D tomographic luminance data.

Abstract: Provided are a processing device, a system, a method, and a non-transitory computer readable medium capable of reducing false detection when detecting a foreign body. An acquisition means (111) that acquires first distance data (d1) between a predetermined point (pp) on a surface of an object (51) and a first measurement position (p1) outside the object (51) and acquires second distance data (d2) between the predetermined point (pp) and a second measurement position (p2) outside the object (51), a difference calculation means (112) that calculates difference data (dd) between the first distance data (d1) and the second distance data (d2), and a difference deletion means (113) that deletes a part of the first distance data (d1) or the second distance data (d2) on the basis of the difference data (dd) are included.

Abstract: An abnormal part display apparatus, an abnormal part display system, an abnormal part displaying method, and an abnormal part displaying program capable of improving visibility of an abnormal part in an object are provided. An abnormal part display apparatus 11 according to the present disclosure includes an acquisition unit 111 configured to acquire point group data of an object obtained by measuring the object by using a laser ranging apparatus 12, and a photograph image of the object obtained by photographing the object by using a photographing apparatus 13, a display unit 112 configured to display the point group data and the photograph image on a predetermined screen, and a control unit 113 configured to control the point group data and the photograph image to be displayed in the display unit 112.

Abstract: The objective of the present invention is to reduce the size of a receiving device circuit in an optical space communication system while maintaining communication stability. A data receiving device which decodes one item of data from a plurality of input signals includes: two or more digital signal processing means for subjecting the plurality of input signals to signal processing; a first recording means for temporarily recording the plurality of input signals; a SN ratio estimating means for estimating S/N ratios of each of the plurality of input signals and determining the number of the plurality of input signals to be combined, and the signals to be combined; and a scheduling means for carrying out overall control on the basis of the results from the SN ratio estimating means.

Abstract: The objective of the present invention is to reduce the size of a receiving device circuit in an optical space communication system while maintaining communication stability. A data receiving device which decodes one item of data from a plurality of input signals includes: two or more digital signal processing means for subjecting the plurality of input signals to signal processing; a first recording means for temporarily recording the plurality of input signals; a SN ratio estimating means for estimating S/N ratios of each of the plurality of input signals and determining the number of the plurality of input signals to be combined, and the signals to be combined; and a scheduling means for carrying out overall control on the basis of the results from the SN ratio estimating means.

Abstract: An optical space communication device includes first and second optical antennas that transmit first and second transmission light and receive first and second reception light, first and second delay circuits that provide a delay to transmission data included in the first and second transmission light, third and fourth delay circuits that provide a delay to reception data included in the first and second reception light, and a receiver that sets a delay of at least one of the first delay circuit and the second delay circuit and sets a delay of at least one of the third delay circuit and the fourth delay circuit, based on delays between the first and third delay circuits and the first optical antenna, delays between the second and fourth delay circuits and a fourth optical antenna, and delays between a communication destination and the third and fourth delay circuits.